Home / 150,025.64-207,039.78-82,046.60

Finding the Fourth Proportional to 150,025.64, 207,039.78 and 82,046.60

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Solution

The fourth proportional to 150,025.64, 207,039.78 and 82,046.60 is: 113,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,025.64 : 207,039.78 = 82,046.60 : x
  2. Step 2: Convert to fraction form
    150,025.64/207,039.78 = 82,046.60/x
  3. Step 3: Cross multiply
    150,025.64x = 207,039.78 × 82,046.60
  4. Step 4: Simplify right side
    150,025.64x = 16,986,910,013.75
  5. Step 5: Solve for x
    x = 16,986,910,013.75/150,025.64
  6. Step 6: Final answer
    x = 113,226.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.